remove cryptodev support

The SW encryption is much faster than decicated HW in our platforms.
The HW encryption is limited to the use of CAAM which is used through
blob calls, therefore the cryptodev module is not required.

https://onedigi.atlassian.net/browse/DEL-8371

Signed-off-by: Isaac Hermida <isaac.hermida@digi.com>

meta-digi-arm/recipes-kernel/cryptodev/cryptodev-module_%.bbappend

@@ -1,3 +0,0 @@
-# Copyright (C) 2016-2017 Digi International Inc.
-
-KERNEL_MODULE_AUTOLOAD = "cryptodev"

meta-digi-dey/recipes-core/packagegroups/packagegroup-dey-core.bb

@@ -38,7 +38,6 @@ RDEPENDS:${PN} = "\
     base-passwd \
     connectcore-demo-example \
     cloudconnector \
-    cryptodev-module \
     dualboot \
     ${@bb.utils.contains('DISTRO_FEATURES', 'systemd', 'firmwared', '',d)} \
     ${@bb.utils.contains("MACHINE_FEATURES", "keyboard", "${VIRTUAL-RUNTIME_keymaps}", "", d)} \